调查揭示了该公司内部控制的几处严重缺陷。

The investigation revealed several serious ___weaknesses in the company's internal controls.

他作为领导者最大的缺点是不愿听取反馈。

His biggest ___weakness as a leader is his reluctance to listen to feedback.

新软件解决了在旧版本中发现的许多不足之处。

The new software addresses many of the ___weaknesses found in the previous version.